patch 9.1.1281: extra newline output when editing stdin

Problem:  extra newline output when editing stdin
Solution: remove outputting when reading from stdin in non-terminal mode
          (Abhijit Barik)

fixes: #16856
closes: #17047

Co-authored-by: LemonBoy <LemonBoy@users.noreply.github.com>
Signed-off-by: Abhijit Barik <Abhijit.Barik@ivanti.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 50743e0..a900afc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1281,
+/**/
     1280,
 /**/
     1279,